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.TH "TIFFSIZE" "3tiff" "Nov 26, 2023" "4.6" "LibTIFF"
.SH NAME
TIFFsize \- return the size of various items associated with an open TIFF file
.SH SYNOPSIS
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.INDENT 3.5
.sp
.EX
#include <tiffio.h>
.EE
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.TP
.B tsize_t TIFFRasterScanlineSize(TIFF *tif) 
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.TP
.B uint64_t TIFFRasterScanlineSize64(TIFF *tif) 
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.B tsize_t TIFFScanlineSize(TIFF *tif) 
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.B uint64_t TIFFScanlineSize64(TIFF *tif) 
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.SH DESCRIPTION
.sp
\fI\%TIFFScanlineSize()\fP returns the size in bytes of a row of data as
it would be returned in a call to \fI\%TIFFReadScanline()\fP, or as it
would be expected in a call to \fI\%TIFFWriteScanline()\fP\&.
Note that this number may be 1/samples\-per\-pixel if data is
stored as separate planes.
The \fIScanlineSize\fP in case of YCbCrSubsampling is defined as the
strip size divided by the strip height, i.e. the size of a pack of vertical
subsampling lines divided by vertical subsampling. It should thus make
sense when multiplied by a multiple of vertical subsampling.
\fI\%TIFFScanlineSize64()\fP returns the size as \fBuint64_t\fP\&.
.sp
\fI\%TIFFRasterScanlineSize()\fP returns the size in bytes of a complete
decoded and packed raster scanline. Note that this value may be different
from the value returned by \fI\%TIFFScanlineSize()\fP if data is stored
as separate planes.
\fI\%TIFFRasterScanlineSize64()\fP returns the size as \fBuint64_t\fP\&.
.SH DIAGNOSTICS
.sp
None.
.SH SEE ALSO
.sp
\fI\%TIFFOpen\fP (3tiff),
\fI\%TIFFReadScanline\fP (3tiff),
\fI\%libtiff\fP (3tiff)
.SH AUTHOR
LibTIFF contributors
.SH COPYRIGHT
1988-2023, LibTIFF contributors
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